I just slide a box cutter blade (or X-Acto blade) in the top plastic part that your key ring goes through, pry it apart just the tiniest bit, then with it pried apart (with the blade still in it) push down on the front and back at the same time to turn the two halves in opposite directions to separate.
I just slide a box cutter blade (or X-Acto blade) in the top plastic part that your key ring goes through, pry it apart just the tiniest bit, then with it pried apart (with the blade still in it) push down on the front and back at the same time to turn the two halves in opposite directions to separate.